Bump peter-evans/create-pull-request from 6 to 7 (#221)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](https://github.com/peter-evans/create-pull-request/compare/v6...v7)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/generate.yaml

@@ -13,7 +13,7 @@ jobs:
 
       # TODO: Automatically merge the PR if tests pass.
       - run: 'go generate unifi/fields.go'
-      - uses: 'peter-evans/create-pull-request@v6'
+      - uses: 'peter-evans/create-pull-request@v7'
         with:
           delete-branch: true
           title: 'Update to latest controller version'